R 680 TPA : is a vinyester resin with excellent corrosion resistance it is thixotroped, promoted with cobalt and amine. Excellent solvent and acid resistance. High flexural strength. High heat resistance. Norester 680 TPA can be used for hand lay and spray-up filament widung. The Norester 680 TPA cures at ambiant temperatire with addition of MEKP.
Appliction : To obtain optinum characteristics, it is necessary to add a peroxide MEKP. Be careful not to add less than 1 % of MEKP or more than 3% of MEKP.